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Before r257832, the threshold used by SimpleInliner was explicitly specified or generated from opt levels and passed to the base class Inliner's constructor. There, it was first overridden by explicitly specified -inline-threshold. The refactoring in r257832 did not preserve this behavior for all opt levels. This change brings back the original behavior. Differential Revision: http://reviews.llvm.org/D20452 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270153 91177308-0d34-0410-b5e6-96231b3b80d8
90 lines
2.6 KiB
LLVM
90 lines
2.6 KiB
LLVM
; Test that -inline-threshold overrides thresholds derived from opt levels.
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; RUN: opt < %s -O2 -inline-threshold=500 -S | FileCheck %s
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; RUN: opt < %s -O3 -inline-threshold=500 -S | FileCheck %s
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; RUN: opt < %s -Os -inline-threshold=500 -S | FileCheck %s
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; RUN: opt < %s -Oz -inline-threshold=500 -S | FileCheck %s
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@a = global i32 4
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define i32 @simpleFunction(i32 %a) #0 {
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entry:
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%a1 = load volatile i32, i32* @a
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%x1 = add i32 %a1, %a1
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%cmp = icmp eq i32 %a1, 0
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br i1 %cmp, label %if.then, label %if.else
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if.then:
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%a2 = load volatile i32, i32* @a
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%x2_0 = add i32 %x1, %a2
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br label %if.else
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if.else:
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%x2 = phi i32 [ %x1, %entry ], [ %x2_0, %if.then ]
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%a3 = load volatile i32, i32* @a
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%x3 = add i32 %x2, %a3
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%a4 = load volatile i32, i32* @a
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%x4 = add i32 %x3, %a4
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%a5 = load volatile i32, i32* @a
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%x5 = add i32 %x4, %a5
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%a6 = load volatile i32, i32* @a
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%x6 = add i32 %x5, %a6
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%a7 = load volatile i32, i32* @a
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%x7 = add i32 %x6, %a7
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%a8 = load volatile i32, i32* @a
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%x8 = add i32 %x7, %a8
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%a9 = load volatile i32, i32* @a
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%x9 = add i32 %x8, %a9
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%a10 = load volatile i32, i32* @a
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%x10 = add i32 %x9, %a10
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%a11 = load volatile i32, i32* @a
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%x11 = add i32 %x10, %a11
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%a12 = load volatile i32, i32* @a
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%x12 = add i32 %x11, %a12
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%a13 = load volatile i32, i32* @a
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%x13 = add i32 %x12, %a13
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%a14 = load volatile i32, i32* @a
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%x14 = add i32 %x13, %a14
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%a15 = load volatile i32, i32* @a
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%x15 = add i32 %x14, %a15
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%a16 = load volatile i32, i32* @a
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%x16 = add i32 %x15, %a16
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%a17 = load volatile i32, i32* @a
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%x17 = add i32 %x16, %a17
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%a18 = load volatile i32, i32* @a
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%x18 = add i32 %x17, %a18
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%a19 = load volatile i32, i32* @a
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%x19 = add i32 %x18, %a19
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%a20 = load volatile i32, i32* @a
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%x20 = add i32 %x19, %a20
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%a21 = load volatile i32, i32* @a
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%x21 = add i32 %x20, %a21
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%a22 = load volatile i32, i32* @a
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%x22 = add i32 %x21, %a22
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%a23 = load volatile i32, i32* @a
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%x23 = add i32 %x22, %a23
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%a24 = load volatile i32, i32* @a
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%x24 = add i32 %x23, %a24
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%a25 = load volatile i32, i32* @a
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%x25 = add i32 %x24, %a25
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%a26 = load volatile i32, i32* @a
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%x26 = add i32 %x25, %a26
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%a27 = load volatile i32, i32* @a
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%x27 = add i32 %x26, %a27
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%a28 = load volatile i32, i32* @a
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%x28 = add i32 %x27, %a28
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%a29 = load volatile i32, i32* @a
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%x29 = add i32 %x28, %a29
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%add = add i32 %x29, %a
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ret i32 %add
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}
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; Function Attrs: nounwind readnone uwtable
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define i32 @bar(i32 %a) #0 {
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; CHECK-LABEL: @bar
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; CHECK-NOT: call i32 @simpleFunction(i32 6)
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; CHECK: ret
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entry:
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%i = tail call i32 @simpleFunction(i32 6)
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ret i32 %i
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}
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attributes #0 = { nounwind readnone uwtable }
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